xref: /aosp_15_r20/external/armnn/src/backends/reference/workloads/RefFullyConnectedWorkload.cpp (revision 89c4ff92f2867872bb9e2354d150bf0c8c502810)
1 //
2 // Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 
6 #include "RefFullyConnectedWorkload.hpp"
7 
8 #include "FullyConnected.hpp"
9 #include "RefWorkloadUtils.hpp"
10 
11 #include "Profiling.hpp"
12 
13 namespace armnn
14 {
15 
GetNumActivations(const TensorInfo & inputInfo)16 unsigned int GetNumActivations(const TensorInfo& inputInfo)
17 {
18     unsigned int numActivations = 1; // Total number of activations in the input.
19     for (unsigned int i = 1; i < inputInfo.GetNumDimensions(); i++)
20     {
21         numActivations *= inputInfo.GetShape()[i];
22     }
23     return numActivations;
24 }
25 
26 
RefFullyConnectedWorkload(const FullyConnectedQueueDescriptor & descriptor,const WorkloadInfo & info)27 RefFullyConnectedWorkload::RefFullyConnectedWorkload(
28     const FullyConnectedQueueDescriptor& descriptor, const WorkloadInfo& info)
29         : RefBaseWorkload<FullyConnectedQueueDescriptor>(descriptor, info)
30         , m_InputShape(info.m_InputTensorInfos[0].GetShape())
31         , m_WeightShape(info.m_InputTensorInfos[1].GetShape())
32         , m_OutputShape(info.m_OutputTensorInfos[0].GetShape())
33         , m_NumActivations(GetNumActivations(info.m_InputTensorInfos[0]))
34 {
35 }
36 
Execute() const37 void RefFullyConnectedWorkload::Execute() const
38 {
39     Execute(m_Data.m_Inputs, m_Data.m_Outputs);
40 }
41 
ExecuteAsync(ExecutionData & executionData)42 void RefFullyConnectedWorkload::ExecuteAsync(ExecutionData& executionData)
43 {
44     WorkingMemDescriptor* workingMemDescriptor = static_cast<WorkingMemDescriptor*>(executionData.m_Data);
45     Execute(workingMemDescriptor->m_Inputs, workingMemDescriptor->m_Outputs);
46 }
47 
Execute(std::vector<ITensorHandle * > inputs,std::vector<ITensorHandle * > outputs) const48 void RefFullyConnectedWorkload::Execute(std::vector<ITensorHandle*> inputs, std::vector<ITensorHandle*> outputs) const
49 {
50     ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, "RefFullyConnectedWorkload_Execute");
51 
52     std::unique_ptr<Decoder<float>> inputDecoder = MakeDecoder<float>(GetTensorInfo(inputs[0]), inputs[0]->Map());
53     std::unique_ptr<Encoder<float>> OutputEncoder = MakeEncoder<float>(GetTensorInfo(outputs[0]), outputs[0]->Map());
54 
55     std::unique_ptr<Decoder<float>> weightsDecoder = MakeDecoder<float>(GetTensorInfo(inputs[1]), inputs[1]->Map());
56     std::unique_ptr<Decoder<float>> biasDecoder;
57 
58     if (m_Data.m_Parameters.m_BiasEnabled)
59     {
60         biasDecoder = MakeDecoder<float>(GetTensorInfo(inputs[2]), inputs[2]->Map());
61     }
62 
63     FullyConnected(m_InputShape,
64                    *inputDecoder,
65                    m_OutputShape,
66                    *OutputEncoder,
67                    m_WeightShape,
68                    *weightsDecoder,
69                    biasDecoder.get(),
70                    m_Data.m_Parameters.m_BiasEnabled,
71                    m_NumActivations,
72                    m_Data.m_Parameters.m_TransposeWeightMatrix);
73 }
74 
75 } //namespace armnn
76